{{- /* ID */ -}}
{{- $id := "" -}}
{{- with .Id -}}
  {{- /* If an ID is specified, then just use it.*/ -}}
  {{- $id = printf "%v" . -}}
{{- else -}}
  {{- $count := ($.Scratch.Get "this").count | default 1 -}}
  {{- $id = printf "id-%d" $count -}}
  {{- $count | add 1 | $.Scratch.SetInMap "this" "count" -}}
{{- end -}}
{{- return $id -}}
